Medical research

Solving a biological puzzle: How stress causes gray hair

When Marie Antoinette was captured during the French Revolution, her hair reportedly turned white overnight. In more recent history, John McCain experienced severe injuries as a prisoner of war during the Vietnam War—and ...

Neuroscience

How social isolation transforms the brain

Chronic social isolation has debilitating effects on mental health in mammals—for example, it is often associated with depression and post-traumatic stress disorder in humans. Now, a team of Caltech researchers has discovered ...

Diabetes

Keto diet works best in small doses, researchers find

A ketogenic diet—which provides 99 percent of calories from fat and protein and only 1 percent from carbohydrates—produces health benefits in the short term, but negative effects after about a week, Yale researchers found ...

Psychology & Psychiatry

New research confirms lingering mood benefit of psychedelics

People who had recently used psychedelics such as psilocybin report a sustained improvement in mood and feeling closer to others after the high has worn off, shows a new Yale study published the week of Jan. 20 in the journal ...

HIV & AIDS

Single dose of antibodies can knock out HIV in newborns

A single dose of an antibody-based treatment can prevent HIV transmission from mother to baby, new nonhuman primate research suggests for the first time. The findings are being published in the journal Nature Communications.

Neuroscience

Mothers' and babies' brains 'more in tune' when mother is happy

Mothers' and babies' brains can work together as a 'mega-network' by synchronising brain waves when they interact. The level of connectivity of the brain waves varies according to the mum's emotional state: when mothers express ...

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